Home / 15,513.88-23,274.47-4,420.73

Finding the Fourth Proportional to 15,513.88, 23,274.47 and 4,420.73

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Solution

The fourth proportional to 15,513.88, 23,274.47 and 4,420.73 is: 6,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.88 : 23,274.47 = 4,420.73 : x
  2. Step 2: Convert to fraction form
    15,513.88/23,274.47 = 4,420.73/x
  3. Step 3: Cross multiply
    15,513.88x = 23,274.47 × 4,420.73
  4. Step 4: Simplify right side
    15,513.88x = 102,890,086.08
  5. Step 5: Solve for x
    x = 102,890,086.08/15,513.88
  6. Step 6: Final answer
    x = 6,632.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.